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Journal Articles

Water Hammers Exploded the Nuclear Power Plants at Fukushima Daiichi

Robert A. Leishear
Journal: Journal of Nuclear Engineering and Radiation Science
Article Type: Expert View
ASME J of Nuclear Rad Sci. January 2023, 9(1): 014702.
Paper No: NERS-21-1058
DOI: https://doi.org/10.1115/1.4054004
Published Online: June 10, 2022
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Topics: Explosions, Hydrogen, Water
Journal Articles

The Autoignition of Nuclear Reactor Power Plant Explosions

Robert A. Leishear
Journal: Journal of Nuclear Engineering and Radiation Science
Article Type: Technology Review
ASME J of Nuclear Rad Sci. January 2020, 6(1): 014001.
Paper No: NERS-18-1021
DOI: https://doi.org/10.1115/1.4044807
Published Online: November 29, 2019
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Topics: Explosions, Hydrogen
Journal Articles

Water Hammer Causes Water Main Breaks

Robert A. Leishear
Journal: Journal of Pressure Vessel Technology
Article Type: Research-Article
J. Pressure Vessel Technol. April 2020, 142(2): 021402.
Paper No: PVT-19-1040
DOI: https://doi.org/10.1115/1.4044423
Published Online: October 31, 2019
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Topics: Corrosion, Failure, Pipes, Water hammer, Water pipes, Stress, Pressure, Valves, Waves, Water
Journal Articles

When the Joukowsky Equation Does Not Predict Maximum Water Hammer Pressures

Trey W. Walters, Robert A. Leishear
Journal: Journal of Pressure Vessel Technology
Article Type: Review Articles
J. Pressure Vessel Technol. December 2019, 141(6): 060801.
Paper No: PVT-18-1190
DOI: https://doi.org/10.1115/1.4044603
Published Online: October 9, 2019
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Topics: Engineers, Pipes, Pressure, Reflection, Transients (Dynamics), Valves, Water hammer, Waves, Piping systems, Vapors
Proceedings Papers

When the Joukowsky Equation Does Not Predict Maximum Water Hammer Pressures

Trey W. Walters, Robert A. Leishear
Proc. ASME. PVP2018, Volume 4: Fluid-Structure Interaction, V004T04A018, July 15–20, 2018
Paper No: PVP2018-84050
DOI: https://doi.org/10.1115/PVP2018-84050
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Topics: Water hammer, Approximation, Pipes, Pressure, Unsteady flow, Collapse, Engineers, Errors, Friction, Surges
Proceedings Papers

Shock Waves, Vibrations, and Resonance in Linearly Elastic Beams

Robert A. Leishear
Proc. ASME. PVP2017, Volume 3B: Design and Analysis, V03BT03A034, July 16–20, 2017
Paper No: PVP2017-65230
DOI: https://doi.org/10.1115/PVP2017-65230
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Topics: Resonance, Shock waves, Vibration, Stress, Bending (Stress), Pressure, Damping, Deflection, Elasticity, Equilibrium (Physics)
Proceedings Papers

Nuclear Power Plant Fires and Explosions: Part III — Hamaoka Piping Explosion

Robert A. Leishear
Proc. ASME. PVP2017, Volume 4: Fluid-Structure Interaction, V004T04A013, July 16–20, 2017
Paper No: PVP2017-66284
DOI: https://doi.org/10.1115/PVP2017-66284
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Topics: Explosions, Fire, Nuclear power stations, Pipes, Hydrogen, Accidents, Oxygen, Ignition, Nuclear reactors, Water hammer
Proceedings Papers

Nuclear Power Plant Fires and Explosions: Part I — Plant Designs and Hydrogen Ignition

Robert A. Leishear
Proc. ASME. PVP2017, Volume 4: Fluid-Structure Interaction, V004T04A014, July 16–20, 2017
Paper No: PVP2017-66285
DOI: https://doi.org/10.1115/PVP2017-66285
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Topics: Explosions, Fire, Hydrogen, Ignition, Nuclear power stations, Plant design, Pressurized water reactors, Accidents, Boiling water reactors, Chernobyl Nuclear Accident, Chornobyl, Ukraine, 1986
Proceedings Papers

Nuclear Power Plant Fires and Explosions: Part II — Hydrogen Ignition Overview

Robert A. Leishear
Proc. ASME. PVP2017, Volume 4: Fluid-Structure Interaction, V004T04A011, July 16–20, 2017
Paper No: PVP2017-66278
DOI: https://doi.org/10.1115/PVP2017-66278
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Topics: Explosions, Fire, Hydrogen, Ignition, Nuclear power stations, Accidents, Water hammer, Chernobyl Nuclear Accident, Chornobyl, Ukraine, 1986, Fukushima nuclear disaster, Japan, 2011, Pipes
Proceedings Papers

Nuclear Power Plant Fires and Explosions: Part IV — Water Hammer Explosion Mechanisms

Robert A. Leishear
Proc. ASME. PVP2017, Volume 4: Fluid-Structure Interaction, V004T04A012, July 16–20, 2017
Paper No: PVP2017-66279
DOI: https://doi.org/10.1115/PVP2017-66279
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Topics: Explosions, Fire, Nuclear power stations, Water hammer, Hydrogen, Oxygen, Pipes, Compression, Accidents, Combustion
Proceedings Papers

Design and Application of Low Flow Steam Siphon Jet Pumps

Robert A. Leishear, William M. Bennett, Jackie Cooper
Proc. ASME. POWER2016, ASME 2016 Power Conference, V001T11A013, June 26–30, 2016
Paper No: POWER2016-59748
DOI: https://doi.org/10.1115/POWER2016-59748
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Topics: Design, Flow (Dynamics), Jet pumps, Steam, Jets, Pipes, Suction, Computers, Density, Diffusers
Journal Articles

From Water Hammer to Ignition

Robert A. Leishear
Journal: Mechanical Engineering
Article Type: Select Article
Mechanical Engineering. December 2014, 136(12): 44–47.
Paper No: ME-14-DEC3
DOI: https://doi.org/10.1115/1.2014-Dec-3
Published Online: December 1, 2014
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Topics: Accidents, Explosions, Fire, Hydrogen, Ignition, Oxygen, Safety, Water hammer, Water, Steam
Journal Articles

A Hydrogen Ignition Mechanism for Explosions in Nuclear Facility Piping Systems

Robert A. Leishear
Journal: Journal of Pressure Vessel Technology
Article Type: Technical Briefs
J. Pressure Vessel Technol. October 2013, 135(5): 054501.
Paper No: PVT-11-1024
DOI: https://doi.org/10.1115/1.4024639
Published Online: September 18, 2013
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Topics: Explosions, Hydrogen, Ignition, Pipes, Piping systems, Pressure, Temperature, Unsteady flow, Steam, Valves
Journal Articles

CFD & Safety Factors

Robert A. Leishear
Journal: Mechanical Engineering
Article Type: Select Article
Mechanical Engineering. February 2013, 135(02): 30–35.
Paper No: ME-13-FEB3
DOI: https://doi.org/10.1115/1.2013-FEB-3
Published Online: February 1, 2013
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Topics: Computational fluid dynamics, Pumps, Computer simulation, Safety
eBook Chapter

Introduction

Publisher: ASME Press
Published: 2013
ISBN: 9780791859964
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Topics: Corrective actions, Design, Dynamics (Mechanics), Failure, Pipes, Piping systems, Pressure, Stress, Water hammer
eBook Chapter

Steady-State Fluid Mechanics and Pipe System Components

Publisher: ASME Press
Published: 2013
ISBN: 9780791859964
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Topics: Fluid mechanics, Pipes, Steady state
eBook Chapter

Pipe System Design

Publisher: ASME Press
Published: 2013
ISBN: 9780791859964
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Topics: Design, Pipes
eBook Chapter

Pipe Failure Analysis and Damage Mechanisms

Publisher: ASME Press
Published: 2013
ISBN: 9780791859964
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Topics: Damage, Failure analysis, Pipes
eBook Chapter

Fluid Transients in Liquid-Filled Systems

Publisher: ASME Press
Published: 2013
ISBN: 9780791859964
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Topics: Unsteady flow
eBook Chapter

Fluid Transients In Steam Systems

Publisher: ASME Press
Published: 2013
ISBN: 9780791859964
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Topics: Steam, Unsteady flow